The___surface area of the room is equal to the area of 4 walls.

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Solution

The lateral surface of an object is the area of all the sides of the object, excluding the area of its base and top.

For a cube the lateral surface area would be the area of four sides. Consider the edge of the cube as a . The area of one square face A_face = a ⋅ a = a². Thus the lateral surface of a cube will be the area of four faces: a ⋅ a ⋅ 4 = 4a².

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Question 50

___surface area of room = Area of 4 walls.

Question 50

___surface area of room = Area of 4 walls.

The area of four walls of a room of height 5 m is 144 m². If the total surface area of the room is 244 m² then its length is

6 m

5 m

4 m

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